<template>
  <div class="type-nav">
    <div class="container" @mouseleave="toHiddenCate">
      <h2 class="all" @mouseenter="toShowCate">全部商品分类</h2>
      <nav class="nav">
        <a href="###">服装城</a>
        <a href="###">美妆馆</a>
        <a href="###">尚品汇超市</a>
        <a href="###">全球购</a>
        <a href="###">闪购</a>
        <a href="###">团购</a>
        <a href="###">有趣</a>
        <a href="###">秒杀</a>
      </nav>
      <div class="sort" v-show="showCate">
        <div class="all-sort-list2" @click="toSearch">
          <div class="item bo" v-for="(item1, index1) in categoryList" :key="item1.categoryId">
            <h3><a :data-category1Id="item1.categoryId">{{item1.categoryName}}</a></h3>
            <div class="item-list clearfix">
              <div class="subitem" v-for="item2 in item1.categoryChild" :key="item2.categoryId">
                <dl class="fore">
                  <dt>
                    <a :data-category2Id="item2.categoryId">{{item2.categoryName}}</a>
                  </dt>
                  <dd>
                    <em v-for="item3 in item2.categoryChild" :key="item3.categoryId">
                      <a :data-category3Id="item3.categoryId">{{item3.categoryName}}</a>
                    </em>
                  </dd>
                </dl>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script lang="ts" setup>
import {computed, ref} from "vue";
import useCategoryStore from "@/store/category";
import {useRoute, useRouter} from "vue-router";

const router = useRouter()
const route = useRoute()
const categoryStore = useCategoryStore()
const categoryList = computed(() => categoryStore.categoryList)
const props = defineProps<{
  showCate: Boolean,
}>()
const showCate = ref<Boolean>(props.showCate)

const toSearch = (event: Event) => {
  let element: HTMLElement = event.target as HTMLElement
  let {category1id, category2id, category3id} = element.dataset
  const keyword = route.query.keyword
  if (category1id) {
    router.push({name: 'search', query: {categoryId: category1id, level: 1, keyword: keyword}})
  } else if (category2id) {
    router.push({name: 'search', query: {categoryId: category2id, level: 2, keyword: keyword}})
  } else if (category3id) {
    router.push({name: 'search', query: {categoryId: category3id, level: 3, keyword: keyword}})
  }
}

const toShowCate = () => {
  !props.showCate && (showCate.value = true)
}

const toHiddenCate = () => {
  !props.showCate && (showCate.value = false)
}
</script>

<style lang="less" scoped>

.type-nav {
  border-bottom: 2px solid #e1251b;

  .container {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    position: relative;

    .all {
      width: 210px;
      height: 45px;
      background-color: #e1251b;
      line-height: 45px;
      text-align: center;
      color: #fff;
      font-size: 14px;
      font-weight: bold;
    }

    .nav {
      a {
        height: 45px;
        margin: 0 22px;
        line-height: 45px;
        font-size: 16px;
        color: #333;
      }
    }

    .sort {
      position: absolute;
      left: 0;
      top: 45px;
      width: 210px;
      height: 461px;
      position: absolute;
      background: #fafafa;
      z-index: 999;

      .all-sort-list2 {
        .item {
          h3 {
            line-height: 30px;
            font-size: 14px;
            font-weight: 400;
            overflow: hidden;
            padding: 0 20px;
            margin: 0;

            a {
              color: #333;
            }
          }

          .item-list {
            display: none;
            position: absolute;
            width: 734px;
            min-height: 460px;
            background: #f7f7f7;
            left: 210px;
            border: 1px solid #ddd;
            top: 0;
            z-index: 9999 !important;

            .subitem {
              float: left;
              width: 650px;
              padding: 0 4px 0 8px;

              dl {
                border-top: 1px solid #eee;
                padding: 6px 0;
                overflow: hidden;
                zoom: 1;

                &.fore {
                  border-top: 0;
                }

                dt {
                  float: left;
                  width: 54px;
                  line-height: 22px;
                  text-align: right;
                  padding: 3px 6px 0 0;
                  font-weight: 700;
                }

                dd {
                  float: left;
                  width: 415px;
                  padding: 3px 0 0;
                  overflow: hidden;

                  em {
                    float: left;
                    height: 14px;
                    line-height: 14px;
                    padding: 0 8px;
                    margin-top: 5px;
                    border-left: 1px solid #ccc;
                  }
                }
              }
            }
          }

          &:hover {
            .item-list {
              display: block;
            }
          }
        }
        .item:hover {
          background: skyblue;
        }
      }
    }
  }
}
</style>